overuse or misuse of antibiotics can result in bacteria becoming resistant antibiotics human cells becoming resistant antibiotics bacteria developing new types of peptidoglycan viral resistance to antibiotics
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This occurs when bacteria are exposed to antibiotics frequently, causing them to adapt and develop mechanisms to survive the antibiotic treatment. Show more…
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More strains of bacteria that are resistant to most antibiotics are showing up because: - bacteria reproduce very rapidly - antibiotics do not kill all of the cells in a bacterial population - antibiotics are being prescribed for viral diseases - all of the above contribute to antibiotic resistance.
Adi S.
Antibiotics are medicines that are designed to kill disease-causing organisms, or pathogens. However, some pathogens evolve antibiotic resistance, where they gain traits that allow them to survive in the presence of antibiotics. The ability of bacteria to adapt to antibiotics so quickly has created a huge concern over whether antibiotics are being overused. What form of evolution is antibiotic resistance an example of, and why? a. Gene flow because the bacteria are passing on the resistant trait within their populations. b. Natural selection, because the bacteria is adapting to a new environmental condition - the presence of the antibiotic. c. Genetic drift because medical workers cannot follow the randomly-fluctuating gene frequencies of bacterial populations d. Mutation, because each bacteria must mutate to an antibody resistant form in order to survive.
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